A DNA hit links the Scarborough Rapist to murders, exposing a killer couple. The wife claims abuse and testifies, but home videos suggest she's just as guilty. Investigators uncover their dark past, including her sister's death.
A DNA hit links the Scarborough Rapist to murders, exposing a killer couple. The wife claims abuse and testifies, but home videos suggest she's just as guilty. Investigators uncover their dark past, including her sister's death.